270 Scientific Intelligence. 
quinas ; moreover they give no processes for obtaining the substance. 
M. Howard has announced that the base is abundantly risen ae 
mists are om gs re in the composition a sce pro 
the qui inidine ine, and n of them states the i ep between the 
quinine and seinition seduticode’ in the suspected bar 
The most striking characteristics of the quinidine ine to be its 
constant crystallization, its very slight solubility in ether, the 
Prine side of its sulphate in water compared with that of the sulphate 
Oe qui 
MM. Bougue and Schiuffelé have Sy Agno a rset Grenada Quin 
grammes» of bark have afforded as pure quinine as that extracted from 
Q. Calysaya; the sulphate has all the characters of the sulphate of 
quinine and shows no trace of quinidine 
In the black bittern which affords es et the quinidine MM. 
Bouquet and Schauffelé have found some grammes stallized 
ucts, resembling quinidine in some of their pm aa hatitad dif 
pen to - nea ~_ it. The total quantity of this cry 
ese authors conchide that the properties of the quinidine me 
uncertain that it is prudent to wait for more investigation before admit 
ting it among ascertained chemical bases 
Electric Telegraph.—In the Revue Encyclopedique of M. Moigne te 
following line of electric telegraphs is said a proje ected d :—From Loo 
don to Paris and Lyons, continued to Cham and Turin, and to Gee 
nda on the Mediterranean: ; the Sardinian ss al will unite — 
with Spezia; a submarine company will continue it to Bastia act 
the et island of Gorgona; thence from Bastia to sine = Sill 
A submarine wire uniting Sicily and the African coast can be 
without great difficulty. This interval passed, a centre of telegraphie 
communications will be established at Tunis which the French go¥ 
ernment will extend to Bougie and my 0d and the English ish gover 
ment to Tripoli, Alexandria, Cairo and Sue le sii ifs 
Il. Cuemisty anp Puysics. 
1. On the Ep pipolic Dispersion of Light.—Stoxes has published thé 
results of an investigation of the very remarkable phonomens ae 
panying the action of certain substances am light, aoe 
rewster, and subsequently more carefully examined by 
Herschel observed that a weak solution of sulphate of quinine apne 
_—— 
On account of the brief time between the receipt of the man 
Farge ilk dhe ee RA stare 
of his paper treating of the standard meter, as ee “ 
